class Automata:
    #def __init__(self):
        
    def transiciones(self,state,transicion):
        state0=0
        state1=1
        state2=2
        state3=3
        state4=4
        resul=-1
        if state==0 and transicion=='/':
            resul=state1
        if state==0 and transicion!='/':
            resul=state0
        if state==1 and transicion=='*':
            resul=state2
        if state==2 and transicion!='*':
            resul=state2
        if state==2 and transicion=='*':
            resul=state3
        if state==3 and transicion=='*':
            resul=state3
        if state==3 and transicion!='*' and transicion!='/':
            resul=state2
        if state==3 and transicion=='/':
            resul=state4
        return resul
    def isfinal(self,state):
        if state==4:
            return True
        else:
            return False

a=Automata()
cadena="/*hola mundo*/"
estado=0
for i in cadena:
    estado=a.transiciones(estado,i)
if a.isfinal(estado):
    print "yes"
else:
    print "no"


    
        
